The ABB CA4-11ERT auxiliary contact block is a versatile and reliable component designed for the operation of auxiliary and control circuits in standard industrial environments. This 2-pole front-mounted block is equipped with screw terminals, allowing for secure connections with ring tongue ferrules. It features 1 normally open (N.O.) and 1 normally closed (N.C.) instantaneous contact, making it suitable for a variety of applications. The CA4-11ERT is part of the CA4-..E series, offering terminal assortments that match the marking of 3-pole and 4-pole contactors such as the AF26..38(Z)B-30-00RT, AF09..38(Z)B-40-00RT, and AF09..38(Z)B-22-00RT. The block includes non-detachable screws with conic washers, ensuring fast and secure cable tightening. Ideal for front mounting, this auxiliary contact block is a dependable choice for enhancing the functionality of your industrial control systems.